SERIALBUF_SIZE
mirror.size = SERIALBUF_SIZE;
mirror.size = SERIALBUF_SIZE;
char *buf = malloc(SERIALBUF_SIZE);
mirror.size = SERIALBUF_SIZE;
mirror.size = read_mrecords(0, buf, SERIALBUF_SIZE, &pickup);
char *buf = malloc(SERIALBUF_SIZE);
char *buf = malloc(SERIALBUF_SIZE);
size = read_mrecords(0, buf, SERIALBUF_SIZE, &pickup);